Ma Qinghu (nruab nrab), tus thawj coj kev nyab xeeb ntawm Huitai Kub Rolling Production Technology Department, saib xyuas thiab tshuaj xyuas kev nyab xeeb ntawm cov khoom kub dov.
Qhov no batch ntawm 1.2767 kub dov steel tuav nrog diameters ntawm 50mm thiab 55mm yog npaj los tsim 26 tons ntawm cov khoom tiav. Nws yuav tsum tau ua kom tiav peeling, straightening thiab annealing nyob rau hauv ob lub lis piam.
